I have not investigated in finding an expression for all paths. What for? Efficient graph algorithms as Dijkstra shortest path algorithms avoid the flood of these possibilities.
Could you give an idea, what are you aiming at? (Beside staying young) Greetings, Markus Am 24.04.2012 12:39, schrieb R.E. Boss: > Given the directed graph G (see<http://www.jsoftware.com/jwiki/RE%20Boss> > http://www.jsoftware.com/jwiki/RE%20Boss) by its edges > > > > |: G > > 0 1 2 2 3 4 4 5 5 6 7 7 8 9 10 10 11 11 11 12 12 12 > > 1 2 3 4 5 6 5 7 8 7 9 10 10 11 12 11 13 14 15 16 15 14 > > > > determine all (different) paths from root 0 to the leaves. > > > > This took me quite some time(days!). Am I getting old? > > > > > > R.E. Boss > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm